406243375

素因数分解:

$5^3\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{2557}}^1$

素因数の和:2644

約数の個数: 32

約数和(自身を含む): 536320512

約数和(自身を除く): 130077137

約数列:

[1, 5, 25, 31, 41, 125, 155, 205, 775, 1025, 1271, 2557, 3875, 5125, 6355, 12785, 31775, 63925, 79267, 104837, 158875, 319625, 396335, 524185, 1981675, 2620925, 3249947, 9908375, 13104625, 16249735, 81248675, 406243375]

約数ペア:

[(1, 406243375), (5, 81248675), (25, 16249735), (31, 13104625), (41, 9908375), (125, 3249947), (155, 2620925), (205, 1981675), (775, 524185), (1025, 396335), (1271, 319625), (2557, 158875), (3875, 104837), (5125, 79267), (6355, 63925), (12785, 31775)]